/**************************************************************************
*
- * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * Copyright 2003 VMware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
/*
* Authors:
- * Keith Whitwell <keith@tungstengraphics.com>
+ * Keith Whitwell <keithw@vmware.com>
*/
#ifndef ST_PROGRAM_H
#define ST_PROGRAM_H
+#include "main/mtypes.h"
+#include "program/program.h"
+#include "pipe/p_state.h"
+#include "st_context.h"
+#include "st_glsl_to_tgsi.h"
+
+
+/** Fragment program variant key */
+struct st_fp_variant_key
+{
+ struct st_context *st; /**< variants are per-context */
+
+ /** for glBitmap */
+ GLuint bitmap:1; /**< glBitmap variant? */
+
+ /** for glDrawPixels */
+ GLuint drawpixels:1; /**< glDrawPixels variant */
+ GLuint scaleAndBias:1; /**< glDrawPixels w/ scale and/or bias? */
+ GLuint pixelMaps:1; /**< glDrawPixels w/ pixel lookup map? */
+ GLuint drawpixels_z:1; /**< glDrawPixels(GL_DEPTH) */
+ GLuint drawpixels_stencil:1; /**< glDrawPixels(GL_STENCIL) */
+
+ /** for ARB_color_buffer_float */
+ GLuint clamp_color:1;
+
+ /** for ARB_sample_shading */
+ GLuint persample_shading:1;
+};
+
+
+/**
+ * Variant of a fragment program.
+ */
+struct st_fp_variant
+{
+ /** Parameters which generated this version of fragment program */
+ struct st_fp_variant_key key;
+
+ struct pipe_shader_state tgsi;
+
+ /** Driver's compiled shader */
+ void *driver_shader;
+
+ /** For glBitmap variants */
+ struct gl_program_parameter_list *parameters;
+ uint bitmap_sampler;
+
+ /** next in linked list */
+ struct st_fp_variant *next;
+};
+
+
+/**
+ * Derived from Mesa gl_fragment_program:
+ */
struct st_fragment_program
{
struct gl_fragment_program Base;
- GLboolean error; /* If program is malformed for any reason. */
+ struct glsl_to_tgsi_visitor* glsl_to_tgsi;
+
+ struct st_fp_variant *variants;
+};
+
+
+
+/** Vertex program variant key */
+struct st_vp_variant_key
+{
+ struct st_context *st; /**< variants are per-context */
+ boolean passthrough_edgeflags;
- GLuint id; /* String id, for tracking
- * ProgramStringNotify changes.
- */
+ /** for ARB_color_buffer_float */
+ boolean clamp_color;
+};
-#if 0
- GLfloat (*cbuffer)[4];
- GLuint nr_constants;
- /* Translate all the parameters, etc, into a constant buffer which
- * we update on state changes.
+/**
+ * This represents a vertex program, especially translated to match
+ * the inputs of a particular fragment shader.
+ */
+struct st_vp_variant
+{
+ /* Parameters which generated this translated version of a vertex
+ * shader:
*/
- struct
- {
- GLuint reg; /* Constant idx */
- const GLfloat *values; /* Pointer to tracked values */
- } *param;
- GLuint nr_params;
-
- GLuint param_state;
-#endif
+ struct st_vp_variant_key key;
+
+ /**
+ * TGSI tokens (to later generate a 'draw' module shader for
+ * selection/feedback/rasterpos)
+ */
+ struct pipe_shader_state tgsi;
+
+ /** Driver's compiled shader */
+ void *driver_shader;
+
+ /** For using our private draw module (glRasterPos) */
+ struct draw_vertex_shader *draw_shader;
+
+ /** Next in linked list */
+ struct st_vp_variant *next;
+
+ /** similar to that in st_vertex_program, but with edgeflags info too */
+ GLuint num_inputs;
+};
+
+
+/**
+ * Derived from Mesa gl_fragment_program:
+ */
+struct st_vertex_program
+{
+ struct gl_vertex_program Base; /**< The Mesa vertex program */
+ struct glsl_to_tgsi_visitor* glsl_to_tgsi;
+
+ /** maps a Mesa VERT_ATTRIB_x to a packed TGSI input index */
+ GLuint input_to_index[VERT_ATTRIB_MAX];
+ /** maps a TGSI input index back to a Mesa VERT_ATTRIB_x */
+ GLuint index_to_input[PIPE_MAX_SHADER_INPUTS];
+ GLuint num_inputs;
+
+ /** Maps VARYING_SLOT_x to slot */
+ GLuint result_to_output[VARYING_SLOT_MAX];
+ ubyte output_semantic_name[VARYING_SLOT_MAX];
+ ubyte output_semantic_index[VARYING_SLOT_MAX];
+ GLuint num_outputs;
+
+ /** List of translated variants of this vertex program.
+ */
+ struct st_vp_variant *variants;
+};
+
+
+
+/** Geometry program variant key */
+struct st_gp_variant_key
+{
+ struct st_context *st; /**< variants are per-context */
+ /* no other fields yet */
};
-void st_init_cb_program( struct st_context *st );
-void st_destroy_cb_program( struct st_context *st );
+/**
+ * Geometry program variant.
+ */
+struct st_gp_variant
+{
+ /* Parameters which generated this translated version of a vertex */
+ struct st_gp_variant_key key;
+
+ void *driver_shader;
+
+ struct st_gp_variant *next;
+};
+
+
+/**
+ * Derived from Mesa gl_geometry_program:
+ */
+struct st_geometry_program
+{
+ struct gl_geometry_program Base; /**< The Mesa geometry program */
+ struct glsl_to_tgsi_visitor* glsl_to_tgsi;
+
+ /** map GP input back to VP output */
+ GLuint input_map[PIPE_MAX_SHADER_INPUTS];
+
+ /** maps a Mesa VARYING_SLOT_x to a packed TGSI input index */
+ GLuint input_to_index[VARYING_SLOT_MAX];
+ /** maps a TGSI input index back to a Mesa VARYING_SLOT_x */
+ GLuint index_to_input[PIPE_MAX_SHADER_INPUTS];
+
+ GLuint num_inputs;
+
+ GLuint input_to_slot[VARYING_SLOT_MAX]; /**< Maps VARYING_SLOT_x to slot */
+ GLuint num_input_slots;
+
+ ubyte input_semantic_name[PIPE_MAX_SHADER_INPUTS];
+ ubyte input_semantic_index[PIPE_MAX_SHADER_INPUTS];
+
+ struct pipe_shader_state tgsi;
+
+ struct st_gp_variant *variants;
+};
+
+
+
+static INLINE struct st_fragment_program *
+st_fragment_program( struct gl_fragment_program *fp )
+{
+ return (struct st_fragment_program *)fp;
+}
+
+
+static INLINE struct st_vertex_program *
+st_vertex_program( struct gl_vertex_program *vp )
+{
+ return (struct st_vertex_program *)vp;
+}
+
+static INLINE struct st_geometry_program *
+st_geometry_program( struct gl_geometry_program *gp )
+{
+ return (struct st_geometry_program *)gp;
+}
+
+static INLINE void
+st_reference_vertprog(struct st_context *st,
+ struct st_vertex_program **ptr,
+ struct st_vertex_program *prog)
+{
+ _mesa_reference_program(st->ctx,
+ (struct gl_program **) ptr,
+ (struct gl_program *) prog);
+}
+
+static INLINE void
+st_reference_geomprog(struct st_context *st,
+ struct st_geometry_program **ptr,
+ struct st_geometry_program *prog)
+{
+ _mesa_reference_program(st->ctx,
+ (struct gl_program **) ptr,
+ (struct gl_program *) prog);
+}
+
+static INLINE void
+st_reference_fragprog(struct st_context *st,
+ struct st_fragment_program **ptr,
+ struct st_fragment_program *prog)
+{
+ _mesa_reference_program(st->ctx,
+ (struct gl_program **) ptr,
+ (struct gl_program *) prog);
+}
+
+
+extern struct st_vp_variant *
+st_get_vp_variant(struct st_context *st,
+ struct st_vertex_program *stvp,
+ const struct st_vp_variant_key *key);
+
+
+extern struct st_fp_variant *
+st_get_fp_variant(struct st_context *st,
+ struct st_fragment_program *stfp,
+ const struct st_fp_variant_key *key);
+
+
+extern struct st_gp_variant *
+st_get_gp_variant(struct st_context *st,
+ struct st_geometry_program *stgp,
+ const struct st_gp_variant_key *key);
+
+
+extern void
+st_prepare_vertex_program(struct gl_context *ctx,
+ struct st_vertex_program *stvp);
+
+extern GLboolean
+st_prepare_fragment_program(struct gl_context *ctx,
+ struct st_fragment_program *stfp);
+
+
+extern void
+st_release_vp_variants( struct st_context *st,
+ struct st_vertex_program *stvp );
+
+extern void
+st_release_fp_variants( struct st_context *st,
+ struct st_fragment_program *stfp );
+
+extern void
+st_release_gp_variants(struct st_context *st,
+ struct st_geometry_program *stgp);
+
+
+extern void
+st_print_shaders(struct gl_context *ctx);
+
+extern void
+st_destroy_program_variants(struct st_context *st);
+
+
+extern void
+st_print_current_vertex_program(void);
+
#endif